ZYBW _ F type dry running vacuum pressure combined pump is the derivative product of ZYBW _ E type pump.
镇江气泵ZYBW_F型干式旋片真空压力复合气泵是ZYBW_E型气泵派生产品.
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As a standard resin in China, E type epoxy resin is condensed by BPA and ECH.
E系列环氧树脂为国内通用型树脂, 由BPA与ECH(环氧氯丙烷)缩合生成.
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